9*17+9/0.3-5*1.7+4.5/0.3用简便方法计算

9*17+9/0.3-5*1.7+4.5/0.3用简便方法计算 9*1.5+9.1/1.7-5*1.5+4.5/1.7 简便计算 9×1.7+9.1÷1.7-5×1.7+4.5÷1.7 等于多少.《用奥数回答》 三道数学题(必须简便运算)9*1.7+9.1/1.7-5*1.7+4.5/1.7 3.7*15+21*4.5 98989898*99999999/1010101/11111111 4(x-9)=8 0.3×5+3x=4.5 9×3-1.7x=13.4 126÷x=42 96÷64(x-9)=80.3×5+3x=4.59×3-1.7x=13.4126÷x=4296÷6+4x=56(x-3)÷2=7.54x-3×9=297(5x+6)=918(x-6.2)=41.613(x+5)=1694.2×3-3x=5.1请写在纸上 9:5＝4.5:X 9+4.5*7.5+0.45*5 简便运算 1.13/9+18/9+17/9 2.8.2-0.6*(0.9-0.75) 3.47.3-1.7*5-1.5 4.3.7*5.4+0.37*46 1/12*()=()*5/17=0.3*()=()*9=1急 怎么用EXCEL生成不定概率的随机数0 0.1% 1 0.3% 2 0.6% 3 1.0% 4 1.5% 5 2.1% 6 2.8% 7 3.6% 8 4.5% 9 5.5% 10 6.3% 11 6.9% 12 7.3% 13 7.5% 14 7.5% 15 7.3% 16 6.9% 17 6.3% 18 5.5% 19 4.5% 20 3.6% 21 2.8% 22 2.1% 23 1.5% 24 1.0% 25 0.6% 26 0.3% 求比值 8:12 0.3:0.9 5:1/4 9:3 1.5:4求比值8:12 0.3:0.9 5:1/49:3 1.5:4.5 5/4:20 用1.7.0.3.9这五个数字组成的最大五位数是? 用9:15,0.3:9,1.5:45,0.15:4.5组成比例 3,5,9,17,33... 9×17+91÷17-5×17+45÷17 0.6(5x-4.5x)=9 4.5:9分之5的比值是多少 5乘(9-3X)=4.5